CN208619144U - A kind of mine hydraulic bracket setting load holding meanss - Google Patents
A kind of mine hydraulic bracket setting load holding meanss Download PDFInfo
- Publication number
- CN208619144U CN208619144U CN201821092436.8U CN201821092436U CN208619144U CN 208619144 U CN208619144 U CN 208619144U CN 201821092436 U CN201821092436 U CN 201821092436U CN 208619144 U CN208619144 U CN 208619144U
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- CN
- China
- Prior art keywords
- support
- setting load
- support rod
- hydraulic
- locking system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of mine hydraulic bracket setting load holding meanss, including support rod and locking system, the top of the support rod is rotationally connected on the support arm of hydraulic support by mounting base, the support rod grafting passes through locking system, the both ends of the locking system are rotationally connected with the top of support column, and the bottom end of the support column is weldingly fixed on the pedestal of hydraulic support.The utility model is in the support arm opening process that hydraulic system pushes hydraulic support, support rod is moved upwards with support arm, in the process, limiting tooth is bonded to each other with the inclined-plane on tooth plate, tooth plate can be pushed outward, will not barrier support bar move upwards, when support arm decline occurs if the setting load of hydraulic support is insufficient, under the promotion of spring, locking limit is carried out to support rod using the right-angle side interaction on tooth plate and limiting tooth, the case where preventing support arm from falling, setting load deficiency can effectively be made up, guarantee to provide sufficient setting load.
Description
Technical field
The utility model belongs to hydraulic support device technical field, and in particular to a kind of mine hydraulic bracket setting load holding
Device.
Background technique
Hydraulic support is the works for controlling coal working face mine pressure, adopts the form effect carried other than face mine pressure
On hydraulic support.In actual production, since hydraulic system pipeline is longer, design is often not achieved in the setting load of hydraulic support
60%, the phenomenon of generally existing setting load deficiency, thus cause top plate ahead of time from top, jeopardize the safety in production of working face.
Such as application No. is the patents of CN201610739256.3, and it discloses a kind of mine hydraulic bracket setting loads to keep system
System.The setting load of existing hydraulic support keeps system energy consumption height, service life low, for this purpose, this mine hydraulic bracket setting load is kept
System includes that multiple setting loads keep control unit, it includes PLC, duplex hydraulic control one-way valve, hydraulic liquid supply device, pressure sensing
Device and electrically-controlled valve.Each hydraulic liquid supply device includes an eight channel selecting reversal valves and an asymmetric disjunctor piston mechanism.
The utility model is arranged using the standing pumping plant high pressure liquid of underground coal mine as power source and the original PLC of hydraulic support etc., only
Increase an eight channel selecting reversal valves and an asymmetric disjunctor piston mechanism, so that it may be automatically held in setting load predetermined
In range, there is design science, simple and durable, low energy consumption, and the advantage of service life length is suitble to the various mines needed using hydraulic support
Well uses.
But above scheme has following defects that still carry out setting load compensation using hydraulic system in use, when same
When carrying out setting load holding to more hydraulic supports, however it remains the big problem of pressure loss, and being used in coal mine environment
When, above scheme is complex, if hydraulic system breaks down, inconvenience maintenance, and higher operating costs.
Utility model content
The purpose of this utility model is to provide a kind of mine hydraulic bracket setting load holding meanss, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of mine hydraulic bracket setting load holding
Device, including support rod and locking system, the top of the support rod are rotationally connected with the support of hydraulic support by mounting base
On arm, the support rod grafting passes through locking system, and the both ends of the locking system are rotationally connected with the top of support column, described
The bottom end of support column is weldingly fixed on the pedestal of hydraulic support, and both ends are equipped with tooth plate, the tooth plate weldering in the locking system
The one end for being fixed on guide pin is connect, the guide pin is movably connected on the both ends of locking system.
Preferably, the two sides of the support rod are equipped with limiting tooth.
Preferably, the locking system is equipped with slot, and the support rod activity runs through slot.
Preferably, the tooth plate engagement is connected to the limiting tooth of support rod side, and the tooth plate and the tooth on limiting tooth are equal
For square.
Preferably, the end of the guide pin stretches out the end of locking system and is welded with bar, welds on the bar
It connects and is fixed with pull ring.
Preferably, the guide pin passes through screw thread and truss plate connection.
Preferably, spring is socketed on the guide pin.
The technical effect and advantage of the utility model:
In the support arm opening process that hydraulic system pushes hydraulic support, support rod is moved upwards with support arm,
During this, limiting tooth is bonded to each other with the inclined-plane on tooth plate, using limiting tooth, tooth plate can be pushed outward, will not be hindered
Gear support rod moves upwards,, can be under the promotion of spring when support arm decline occurs if the setting load of hydraulic support is insufficient
Tooth plate is fitted closely to limiting tooth, locking limit is carried out to support rod using the right-angle side interaction on tooth plate and limiting tooth
Position, can effectively make up setting load deficiency the case where preventing support arm from falling, and guarantee to provide the setting load of abundance,
When needing to fall support arm, by pull ring, bar can be pulled out from groove, swing is carried out to guide pin, bar is limited
System separates tooth plate with limiting tooth in the end face of locking system, convenient to land to hydraulic support, using mechanical structure pair
Setting load is made up, and stable structure, securely and reliably, use cost are low.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of mine hydraulic bracket setting load holding meanss of the utility model；
Fig. 2 is a kind of side structure schematic view of mine hydraulic bracket setting load holding meanss of the utility model；
Fig. 3 is that a kind of support rod of mine hydraulic bracket setting load holding meanss of the utility model and locking system cooperation are tied
Structure schematic diagram；
Fig. 4 is a kind of locking system structural schematic diagram of mine hydraulic bracket setting load holding meanss of the utility model.
In figure: 1 pedestal, 2 support arms, 3 limiting tooths, 4 support rods, 5 mounting bases, 6 support columns, 7 locking systems, 701 slots,
8 bars, 9 tooth plates, 10 guide pins, 11 pull rings, 12 springs.
Specific embodiment
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, fall within the protection scope of the utility model.
As shown in Figs 1-4, a kind of mine hydraulic bracket setting load holding meanss, including support rod 4 and locking system 7, institute
The top for stating support rod 4 is rotationally connected on the support arm 2 of hydraulic support by mounting base 5, and 4 grafting of support rod passes through lock
Locking apparatus 7, the both ends of the locking system 7 are rotationally connected with the top of support column 6, and the bottom end of the support column 6 is welded and fixed
On the pedestal 1 of hydraulic support, both ends are equipped with tooth plate 9 in the locking system 7, and the tooth plate 9 is weldingly fixed on guide pin 10
One end, the guide pin 10 are movably connected on the both ends of locking system 7, and support column 6 is equipped with bearing block and is mounted on locking system 7
Both ends are conducive to locking system 7 and are rotated, and are used to support when arm 2 is unfolded and are used to support the adjustment support angle of bar 4.
The two sides of the support rod 4 are equipped with limiting tooth 3, and limiting tooth 3 is processed using turning mode in the two sides of support rod 4
It is formed, the height of limiting tooth 3 is lower than the side of support rod 4, can prevent limiting tooth 3 and locking system 7 from friction occurs and influences
Support rod 4 protrudes into stretching, is conducive to the movement of support rod 4.
The locking system 7 is equipped with slot 701, and 4 activity of support rod runs through slot 701, slot 701 and support rod
4 clearance fits can prevent support rod 4 from generating shaking, improve the stability of support rod 4, be conducive to tooth plate 9 and limiting tooth 3 into
Row cooperation improves cooperation precision.
The tooth plate 9 engages the limiting tooth 3 for being connected to 4 side of support rod, and the tooth plate 9 is with the tooth on limiting tooth 3
Square, the inclined-plane when the support arm 2 of hydraulic support is propped up upwards under the support of hydraulic system, on tooth plate 9 and limiting tooth 3
Be bonded to each other, tooth plate 9 released outward, when support arm 2 occur decline if the setting load of hydraulic support is insufficient, tooth plate 9 with
Right-angle side on limiting tooth 3 is bonded to each other, and is carried out locking limit to support rod 4 using tooth plate 9, is prevented support arm 2 from falling.
The end of the guide pin 10 stretches out the end of locking system 7 and is welded with bar 8, welds on the bar 8
It is fixed with pull ring 11, bar 8 is mutually perpendicular to guide pin 10, and the end face of locking system 7 is equipped with groove, and the bar 8 is located at recessed
In slot, guide pin 10 can be stablized and being limited to bar 8, guide pin 10 is avoided to rotate, by pull ring 11,
Bar 8 can be pulled out from groove, to rotate to guide pin 10, bar 8 be recycled to separate tooth plate 9 with limiting tooth 3,
It is convenient to land to hydraulic support.
The guide pin 10 is connect by screw thread with tooth plate 9, can be rotated to guide pin 10, and rotational angle is 90 degree,
Before guide pin 10 is not detached from tooth plate 9, it can be limited by passing through locking system 7 after being rotated by 90 ° bar 8, by tooth plate
9 separate with limiting tooth 3.
It is socketed with spring 12 on the guide pin 10, using spring 12, can be conducive to by tooth plate 9 to promotion at limiting tooth 3
Tooth plate 9 is cooperated with limiting tooth 3.
Specifically, in use, checking bar 8 and adjusting lever 8 into the groove in 7 end face of locking system, hydraulic
In 2 opening process of support arm of systems force hydraulic support, support rod 4 is moved upwards with support arm 2, in the process, limit
Position tooth 3 is bonded to each other with the inclined-plane on tooth plate 9, using limiting tooth 3, tooth plate 9 can be pushed outward, will not barrier support bar
4 move upwards,, can be by tooth under the promotion of spring 12 when the decline of support arm 2 occurs if the setting load of hydraulic support is insufficient
Plate 9 is fitted closely to limiting tooth 3, carries out locking limit to support rod 4 using the right-angle side interaction on tooth plate 9 and limiting tooth 3
Position, can effectively make up setting load deficiency the case where preventing support arm 2 from falling, guarantee the setting load of offer abundance,
When needing to fall support arm 2, by pull ring 11, bar 8 can be pulled out from groove, guide pin 10 is rotated by 90 °,
Bar 8 is limited in the end face of locking system 7, tooth plate 9 is separated with limiting tooth 3, it is convenient to land to hydraulic support, it uses
Mechanical structure makes up setting load, and stable structure, securely and reliably, use cost are low.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of mine hydraulic bracket setting load holding meanss, including support rod (4) and locking system (7), it is characterised in that: institute
The top for stating support rod (4) is rotationally connected on the support arm (2) of hydraulic support by mounting base (5), and the support rod (4) is inserted
It connects across locking system (7), the both ends of the locking system (7) are rotationally connected with the top of support column (6), the support column
(6) bottom end is weldingly fixed on the pedestal (1) of hydraulic support, and the interior both ends of the locking system (7) are equipped with tooth plate (9), described
Tooth plate (9) is weldingly fixed on one end of guide pin (10), and the guide pin (10) is movably connected on the both ends of locking system (7).
2. a kind of mine hydraulic bracket setting load holding meanss according to claim 1, it is characterised in that: the support rod
(4) two sides are equipped with limiting tooth (3).
3. a kind of mine hydraulic bracket setting load holding meanss according to claim 1, it is characterised in that: the locking dress
(7) are set equipped with slot (701), support rod (4) activity runs through slot (701).
4. a kind of mine hydraulic bracket setting load holding meanss according to claim 1, it is characterised in that: the tooth plate
(9) engagement is connected to the limiting tooth (3) of support rod (4) side, and the tooth on the tooth plate (9) and limiting tooth (3) is square.
5. a kind of mine hydraulic bracket setting load holding meanss according to claim 1, it is characterised in that: the guide pin
(10) end is stretched out the end of locking system (7) and is welded with bar (8), is welded with drawing on the bar (8)
Ring (11).
6. a kind of mine hydraulic bracket setting load holding meanss according to claim 1, it is characterised in that: the guide pin
(10) it is connect by screw thread with tooth plate (9).
7. a kind of mine hydraulic bracket setting load holding meanss according to claim 1, it is characterised in that: the guide pin
(10) spring (12) are socketed on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821092436.8U CN208619144U (en) | 2018-07-11 | 2018-07-11 | A kind of mine hydraulic bracket setting load holding meanss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821092436.8U CN208619144U (en) | 2018-07-11 | 2018-07-11 | A kind of mine hydraulic bracket setting load holding meanss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208619144U true CN208619144U (en) | 2019-03-19 |
Family
ID=65703650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821092436.8U Expired - Fee Related CN208619144U (en) | 2018-07-11 | 2018-07-11 | A kind of mine hydraulic bracket setting load holding meanss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208619144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843365A (en) * | 2018-07-11 | 2018-11-20 | 安徽南方煤矿机械有限公司 | A kind of mine hydraulic bracket setting load holding meanss |
-
2018
- 2018-07-11 CN CN201821092436.8U patent/CN208619144U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843365A (en) * | 2018-07-11 | 2018-11-20 | 安徽南方煤矿机械有限公司 | A kind of mine hydraulic bracket setting load holding meanss |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20210711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |